Valve Spring Kit - Lightweight Racing - 0.630" Lift - H.T. Steel Retainers - M8
- Springs are progressively wound using Kobe super-clean, chrome silicon (CrSi) based wire that is heat-treated and shot-peened
- Complete F.E.A (Finite Element Analysis) design
- Lightweight racing replacement
- Installed height is 1.555"
- Made in the USA
- Requires KPMI's shortened M-8 valve guides or modified stock valve guides.
- '23-'25 CVO's check valve lift to determine compatibility with KPMI spring kit.
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